1310231112102 has 80 divisors (see below), whose sum is σ = 3216534049872. Its totient is φ = 395335572480.

The previous prime is 1310231112077. The next prime is 1310231112107. The reversal of 1310231112102 is 2012111320131.

1310231112102 is a `hidden beast` number, since 1 + 310 + 231 + 1 + 121 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310231112107) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1162603 + ... + 1993014.

Almost surely, 2^{1310231112102} is an apocalyptic number.

1310231112102 is an abundant number, since it is smaller than the sum of its proper divisors (1906302937770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1310231112102 is a wasteful number, since it uses less digits than its factorization.

1310231112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3155875 (or 3155866 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1310231112102 its reverse (2012111320131), we get a palindrome (3322342432233).

The spelling of 1310231112102 in words is "one trillion, three hundred ten billion, two hundred thirty-one million, one hundred twelve thousand, one hundred two".